<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd">
<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=UTF-8">
<title>Insert title here</title>
</head>
<body>

<form name="form2" method="get" action="reg.php">
<label>请输入您的手机号码:</label><input type="text" name="mobile"/>
<input  type="submit"/>
</form>
</body>
</html>